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Shufrin, Igor
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Publications (5/5 displayed)
- 2019Effective properties of layered auxetic hybridscitations
- 2016Deformation analysis of reinforced-core auxetic assemblies by close-range photogrammetrycitations
- 2016Thermal stresses in hybrid materials with auxetic inclusionscitations
- 2015Negative Poisson's ratio in hollow sphere materialscitations
- 2015Hybrid materials with negative Poisson's ratio inclusionscitations
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article
Thermal stresses in hybrid materials with auxetic inclusions
Abstract
© 2015 Elsevier Ltd. We study thermo-elastic behaviour of the hybrid materials with auxetic inclusions. To this end we analyse representative volume elements consisting of a large number of randomly positioned cubic inclusions using the finite element method and determine the effective coefficient of thermal expansion and the average thermal stresses in constrained hybrid materials developed as a result of a uniform temperature change. We study the effect of Poisson's ratio, Young's modulus and the coefficient of thermal expansion of the inclusions on the effective coefficient of thermal expansion and thermal stresses. We demonstrate that the auxeticity of the inclusions can reduce thermal stresses, which is controlled by the values of the Poisson's ratio and the coefficients of thermal expansion of the inclusions and matrix.